title: The use of thorium dioxide sol (thorotrast) in the roentgenologic demonstration of accessory spleens.
mesh_terms: D003287:Contrast Media; D006801:Humans; D019904:Polymethyl Methacrylate; D013154:Spleen; D013158:Splenic Diseases; D013911:Thorium Dioxide
chemical_list: D003287:Contrast Media; D019904:Polymethyl Methacrylate; D013911:Thorium Dioxide
keywords: CONTRAST MEDIA; SPLEEN